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Finding the Third Proportional to 21,388,781 and 44,540,122

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Solution

The third proportional to 21,388,781 and 44,540,122 is: 92,750,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,781 : 44,540,122 = 44,540,122 : x
  2. Step 2: Convert to fraction form
    21,388,781/44,540,122 = 44,540,122/x
  3. Step 3: Cross multiply
    21,388,781x = 44,540,122 × 44,540,122
  4. Step 4: Simplify right side
    21,388,781x = 1,983,822,467,774,884
  5. Step 5: Solve for x
    x = 1,983,822,467,774,884/21,388,781
  6. Step 6: Final answer
    x = 92,750,609.20

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.